package day02;

/**
 * 接口
 * <day02>
 *
 * @Author Do Forest
 * @Date 2019/2/24 0023 23:17
 * @see
 */
public class IntfStudyImpl implements IntfStudy {
    @Override
    public void sayHello() {
        System.out.println("hello");
    }
}
